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What is the solubility of Cd(OH)2 in a buffer solution having pH=8 [Ksp of (Cd(OH)2 is 2.5×10^-14]?
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What is the solubility of Cd(OH)2 in a buffer solution having pH=8 [Ks...
Solubility of Cd(OH)2 in a pH 8 Buffer Solution


The solubility of Cd(OH)2 in a buffer solution with pH 8 can be determined using the following steps:



  1. Write the chemical equation for the dissociation of Cd(OH)2:


    • Cd(OH)2(s) ⇌ Cd2+(aq) + 2OH-(aq)



  2. Write the expression for the solubility product constant (Ksp) for Cd(OH)2:


    • Ksp = [Cd2+][OH-]^2 = 2.5 × 10^-14



  3. Since the buffer solution has a pH of 8, we can assume that the concentration of hydroxide ions is equal to 10^-6 M:


    • [OH-] = 10^-6 M



  4. Substitute the concentration of hydroxide ions into the Ksp expression and solve for the concentration of Cd2+:


    • Ksp = [Cd2+][OH-]^2

    • 2.5 × 10^-14 = [Cd2+](10^-6)^2

    • [Cd2+] = 2.5 × 10^-2 M



  5. Therefore, the solubility of Cd(OH)2 in a buffer solution with pH 8 is 2.5 × 10^-2 M.

Community Answer
What is the solubility of Cd(OH)2 in a buffer solution having pH=8 [Ks...
S=(25/4)^1/3 ×10^_5
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What is the solubility of Cd(OH)2 in a buffer solution having pH=8 [Ksp of (Cd(OH)2 is 2.5×10^-14]?
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